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All results from a given calculation for H2CNCN (cyanamide, methylene)

using model chemistry: M06-2X/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at M06-2X/6-311G*
 hartrees
Energy at 0K-186.829469
Energy at 298.15K 
HF Energy-186.829469
Nuclear repulsion energy92.728582
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at M06-2X/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3236 3236 5.81 76.48 0.59 0.74
2 A' 3114 3114 15.09 79.32 0.15 0.27
3 A' 2393 2393 41.45 156.52 0.29 0.44
4 A' 1752 1752 43.08 46.91 0.23 0.37
5 A' 1522 1522 15.65 23.25 0.47 0.64
6 A' 1251 1251 9.68 3.88 0.75 0.86
7 A' 973 973 6.51 0.86 0.08 0.14
8 A' 652 652 4.33 2.17 0.29 0.44
9 A' 257 257 6.41 8.57 0.56 0.72
10 A" 1117 1117 20.39 0.24 0.75 0.86
11 A" 793 793 2.34 6.43 0.75 0.86
12 A" 392 392 9.46 0.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8725.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8725.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at M06-2X/6-311G*
ABC
2.13122 0.18346 0.16892

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.078 -1.537 0.000
N2 -0.630 -0.482 0.000
C3 0.000 0.709 0.000
N4 0.459 1.766 0.000
H5 -0.439 -2.493 0.000
H6 1.169 -1.533 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27042.24773.32491.08631.0912
N21.27041.34792.49822.01972.0835
C32.24771.34791.15213.23202.5285
N43.32492.49821.15214.35233.3742
H51.08632.01973.23204.35231.8724
H61.09122.08352.52853.37421.8724

picture of cyanamide, methylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 118.258 N2 C1 H5 117.750
N2 C1 H6 123.646 N2 C3 N4 175.616
H5 C1 H6 118.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.216      
2 N -0.263      
3 C 0.283      
4 N -0.298      
5 H 0.253      
6 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.504 -4.389 0.000 4.418
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.895 -2.743 0.000
y -2.743 -23.394 0.000
z 0.000 0.000 -22.858
Traceless
 xyz
x -0.768 -2.743 0.000
y -2.743 -0.018 0.000
z 0.000 0.000 0.786
Polar
3z2-r21.572
x2-y2-0.500
xy-2.743
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.627 0.374 0.000
y 0.374 7.763 0.000
z 0.000 0.000 2.315


<r2> (average value of r2) Å2
<r2> 69.670
(<r2>)1/2 8.347